Survey Identifier: WI343811


Format Acronym: MGD77
Data Center File Number: 09780017
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19800205
Source Institution: US NAVAL OCEANOGRAPHIC OFFICE
Country: USA
Platform Name: USNS WILKES
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): NAVOCEANO CODE 7220
Project: I.O. LEG 18, 20 (WHARTON BASIN)
Funding: NAVOCEANO
Survey Departure Date (yyyymmdd): 19780104
Port of Departure: SINGAPORE
Survey Arrival Date (yyyymmdd): 19780225
Port of Arrival: SINGAPORE
Navigation Instrumentation: MX706 SATNAV
Geodetic Datum/Position: PRIM SATELLITE
Bathymetry Instrumentation: HARRIS 853-D 2-2/3 BEAM 12KHZ 1-SEC SWP
Additional Forms of Bathymetric Data: ANALOG, MICROFILM
Magnetics Instrumentation: PROTON PROCESSION MAG GEOMETRICS
Additional Forms of Magnetics Data: ANALOG MICROFILM
Seismic Instrumentation: TELEDYNE 60KJ SPARKER 40-125 HZ 1-CHAN
Formats of Seismic Data: 10 AND 4-SEC ANALOG, MICROFILM
Topmost Latitude of Survey: +10
Bottommost Latitude: -20
Leftmost Longitude: +090
Rightmost Longitude: +116
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 10 SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 6 VALUES USED TO COMPUTE 1-MINUTE AVERAGES
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 10
Magnetic Sensor Tow Distance: 0250
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: BASED ON COMPUTER DERIVED IGRF FOR 1-MIN POS
Additional Documentation: 3.5 KHZ PROFILES COLLECTED EDO 240 SYSTEM 1-SEC SWEEP ANALOG AND MICROFILM, NO DATA 4-6 JAN,24-29 JAN, 2-4 FEB 23-25 FEB, 16 CORES COLLECTED, 11 WABR SONOBVOY STATIONS, IN STATION 11 FEB DAY 42, IN PORT 780129-780202 SINGAPORE
Number of Data Records: 34825

Min/Max Data Record:
Date: 1978 01 06
Latitude: -19.95833
Longitude: +90.62666
Bathymetry, 2- Way Traveltime: 001413
Bathymetry, Corrected Depth: 106.0
Magnetics Total Field, 1st Sensor: 406882
Magnetics Residual Field: -05660

Min/Max Data Record:
Date: 1978 02 22
Latitude: +9.28167
Longitude: +115.94833
Bathymetry, 2- Way Traveltime: 091733
Bathymetry, Corrected Depth: 6973.0
Magnetics Total Field, 1st Sensor: 520212
Magnetics Residual Field: +04370